package com.speed_run.model;

public class UserInfoBuilder {
	
	private final UserInfo userInfo= new UserInfo();
	
	public UserInfoBuilder nickName(final String nickName){
		userInfo.setNickName(nickName);
		return this;
	}
	
	public UserInfoBuilder age(final String age){
		return null;};
		
	public UserInfo build(){
		return this.userInfo;
	}
	
	
	public static void main(String[] args) {
		
		UserInfo userInfo = new UserInfoBuilder().nickName(null).build();
	}
}
